<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport"
    content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no" />
  <title>Hello World!</title>
  <script src="./Build/CesiumUnminified/Cesium.js"></script>
  <style>
    @import url(./Build/CesiumUnminified//Widgets/widgets.css);

    html,
    body,
    #cesiumContainer {
      width: 100%;
      height: 100%;
      margin: 0;
      padding: 0;
      overflow: hidden;
    }
  </style>
</head>

<body>
  <div id="cesiumContainer"></div>
  <script>
    Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJmNWY1NTNiZC0yOWZjLTQxYTEtYmFmZS0zZDhhOWRmMmMyM2YiLCJpZCI6MTM2MDIyLCJpYXQiOjE2ODI2NzE3NjR9.iCrukqqU__ODBrOwYgkTzv2fyg_yAli8GyePHhjgiFc';
    
    const viewer = new Cesium.Viewer("cesiumContainer", {
      baseLayerPicker: true,//是否显示图层选择器 
    })
  </script>
</body>

</html>